APA (7th ed.) Citation

Donald, I. T. (1978). Know your farm machinery. Dept. of Primary Industry.

Chicago Style (17th ed.) Citation

Donald, I. T. Know Your Farm Machinery. Port Moresby: Dept. of Primary Industry, 1978.

MLA (9th ed.) Citation

Donald, I. T. Know Your Farm Machinery. Dept. of Primary Industry, 1978.

Warning: These citations may not always be 100% accurate.